Learning objective

Explain the carbon cycle, focusing on the processes of photosynthesis, respiration, feeding, decomposition, the creation of fossil fuels, and combustion.

Read the explanation, check the common trap, then practise with flashcards and questions.

Exam focus

Cambridge IGCSE Combined ScienceOrganisms and their environmentCore content

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Quick explanation

This point belongs to Carbon cycle, especially Carbon cycle outcomes.
You need to be able to explain the carbon cycle, focusing on the processes of photosynthesis, respiration, feeding, decomposition, the creation of fossil fuels, and combustion.
The key ideas to know are Describe, Explain, and Outline.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeExplainOutline

Why it matters

This objective helps connect Carbon cycle outcomes to exam-style questions, flashcards, and revision notes for Carbon cycle.

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Flashcards10 linked cards

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Practice Questions7 linked questions

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Paper 3Theory (Core)2 marks

Description

The carbon cycle involves processes such as photosynthesis, respiration, feeding, decomposition, the creation of fossil fuels, and combustion.

a
Explain the role of photosynthesis in the carbon cycle.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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